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按抽采瓦斯的来源，可以将瓦斯抽采方法分为：

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按抽采瓦斯的来源，可以将瓦斯抽采方法分为：

A.钻孔瓦斯抽采

B.邻近层瓦斯抽采

C.采空区瓦斯抽采

D.围岩瓦斯抽采

参考答案:

答案：邻近层瓦斯抽采；采空区瓦斯抽采；围岩瓦斯抽采

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